7 Weeks to 300 Sit-Ups Strengthen and Sculpt Your Abs, Back, Core and Obliques by Training to Do 300 Consecutive Sit-Ups

By following the 7-week program in this book the reader will massively increase the strength and muscle tone of his or her core, back and obliques to such an extreme as to be able to do 300 consecutive sit-ups. Packed with clear charts and helpful photos, 7 Weeks to 300 Sit-Ups tells you everything you need to know about the ultimate exercise for your core and includes instructions on how to do a perfect sit-up, easy-to-follow progressive training programs, and added challenges for extreme strengthening.Offers field-tested, day-by-day plans and more.